ground contamination

Groundwater Assessment Methods —♦Basic knowledge of geological and environmental conditions —♦Review of previous investigation results —♦Measurements of water levels —♦Sampling & preliminary assessment of water quality Water level measurements —♦Periodic measurement —♦standard tape measure (shallow wells) ♦‘dipmeter’: tape measure on reel with optional light & buzzer (deep wells and boreholes Features —Stretch resistant survey tape … Read more